Drug Usage Trend study


Of the 15 branded antidepressant drugs, Jzoloft had the highest usage rate at 71%, followed by Paxil (69%) and Cymbalta (66%). For the rate of product awareness, Paxil was the highest and Paxil was the second. (See graph below)
Abilify had the highest future usage rate of main products that the respondents expect to increase, followed by Lexapro, Cymbalta and Remeron.
Also, 25% of the respondents have plans to start using a new product within the next six months.

  • Target samples: N=357 with internal medicine doctors and neurologists
  • Study period: May ~ June 2014
  • Studied products: Paxil, Paxil CR, Luvox, Depromel, Jzoloft, Lexapro, Toledomin, Cymbalta, Reflex, Remeron, Tricyclic antidepressant, Tetracyclic antidepressant, Abilify, Zyprexa, Lamictal
  • Studied items: average monthly number of patients and prescriptions, product awareness and usage rates, product satisfaction, the reasons for use, future usage expectations (short-term), intentions of switching, rate of not switching to generic products, reasons for adopting new products, and number of sales rep visits
  • SSRI Drug Usage Trend study is a physician study that started in 1984, which focuses on products in various therapeutic areas